Learn more

ZHANGJIAGANG HAILU ANNULAR FORGING CO LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    83,533
  • Filing trend
    ⇩ 100.0%
About

ZHANGJIAGANG HAILU ANNULAR FORGING CO LTD has a total of 20 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, machine tools and measurement are WUXI FLANG FORGING CO LTD, VALLS BESITZ GMBH and JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO LTD.

Patent filings in countries

World map showing ZHANGJIAGANG HAILU ANNULAR FORGING CO LTDs patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

Chart showing ZHANGJIAGANG HAILU ANNULAR FORGING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Qianhao 14
#2 Wan Mingzhen 12
#3 Fan Yu 10
#4 Zhang Bin 10
#5 Wu Jian 9
#6 Xu Feng 9
#7 Ma Su 9
#8 Chen Lei 7
#9 Song Yadong 5
#10 Liu Ye 4

Latest patents

Publication Filing date Title
CN111141628A Device capable of enabling impact device in hardness tester to perform high-efficiency accurate impact
CN110614295A Polygonal ring forging top rounding process
CN110541128A manufacturing method of high-performance rotor forging for aviation
CN110695279A Method for avoiding folding and skin-clamping and harmful tissue during ring forging
CN110479924A Large-scale ring forging streamlined manufacturing process
CN107760989A Supercritical turbine septum valve valve disc manufacturing process
CN107639192A Frock for wind-electricity shaft bearing blank forging
CN107815588A Wind power generating set yawing gear ring manufacturing process
CN107747032A Aviation high-toughness long-life large rotor forged shaft manufacturing process
CN107377835A The frock of the ring forging of annular groove is set on outer wall
CN107388822A Low-temperature heat temperature control technique in gas furnace
CN107179352A Annular forging piece automatic flaw detection device
CN106521346A Alloy used for 42CrMo4 annular forging and manufacturing method of annular forging
CN106282836A Steam turbine is by 2Cr11MoVNbN forging and manufacture method thereof
CN106381455A Manufacturing method of annular alloy forge piece applied to bearing seat
CN106222564A Steel ingot and smelting process thereof, avoid steel ingot forging crack method
CN106222544A Annular forging piece and heat treatment method thereof
CN105737712A Detecting tool for detecting position error of flange bolt hole
CN105499933A Technology for manufacturing ring forge piece from F92 steel
CN105171358A Machining process of electric shovel lower roller channels